New Delhi, 26 December (NNS): The prices of black pepper markara held stable at Rs 650 per kg because of the sluggish sale at the higher level. Recently, the prices have improved by Rs5 per kilogram. The arrivals reported to be negligible in Kochi and the prices remained stable at the level of the previous day. The market sentiments may affect because of the New crop. There is no possibility of uptrend in the spot black paper prices during the coming one or two days.